The beauty queen who dumped cheating Dragons’ Den star Duncan Bannatyne today reveals she is living in fear of a revenge porn attack from him.

Michelle Evans claims he threatened to share intimate pictures of her when she asked him to help with a £1,200 childcare bill. It follows their split after he was pictured on a date with another woman 10 days ago.

The shocked ex-Miss Great Britain showed the Sunday Mirror the reply he texted saying: “really? You are happy with me showing the pictures you sent me?”

But today, despite the veiled threat, defiant Michelle, 37, has decided to lift the lid on 66-year-old Bannatyne’s “appalling behaviour” throughout their seven-month relationship.

She says the tycoon investor’s text left her feeling stunned and betrayed. “It is like the revenge porn stories you hear about.

"I feel like he has a huge amount of power over me. It kills me that Duncan still has those pictures,” she says.

Michelle added: “I felt so vulnerable and exposed when I read that text. I was terrified he’d use the intimate pictures I sent him to shame me in public.

"I sent them believing we’d be together forever, but as soon as things didn’t go his way things turned sour. I feel disgusted and disappointed. He has behaved appallingly and I will not forgive him.”

Today Michelle warns his new love Nigora Whitehorn – a worker in his private dental clinic – what to expect from the Dragon. She said she believes he will go on treating women badly “as long as there is mileage in his fame.”

And she reveals how Bannatyne, ­estimated to be worth £175million, acted like a skinflint when he was with her.

Michelle says the Scot bragged to her of a legal tax avoidance scheme abroad that would save him “so much money” he could afford to have a private jet permanently on standby.

Yet she claims the business guru, who made his fortune in the hotel and spa business, insisted on splitting the bill at group meals out, complained about paying for car parking when they went on dates and gave her a gift set worth just £20 for Christmas.

She also says even one of his own friends warned her off him when they began dating last November, saying he had “a problem with women”.

Michelle also tells how Bannatyne boasted to her about being in an ­exclusive London dating service.

And she says his only greater obsession than money and sex was with becoming a father for the seventh time – but only to a boy.

The divorced yoga teacher, who won Miss Great Britain in 2001, met him at the Miss Great Britain Awards ceremony in Leicester last November where he was on the panel. She says: “Women were going crazy for him – queuing up for pictures.

But he made it clear he was attracted to me, and my friend joked he looked like he wanted to eat me alive.

“The next day he found me on Twitter. Within a couple of hours he had asked if I was single. I told him yes and he asked if I would go to dinner with him.”

Their first date was an eye-opener that Michelle, from Wilmslow, Cheshire, now believes was a warning of things to come.

She says: “Duncan came to Manchester and I picked him up at the Lowry Hotel.

“He told me to park in front of the restaurant so we wouldn’t have to pay for parking, but there were double yellow lines so I insisted we go into the NCP. It was only £16 but he made a real fuss.”

She added: “Just 10 minutes after sitting down to dinner, he started quizzing me on my plans for having children because he wanted another boy.

“I realised over time it was an ­obsession of his. I don’t think we had a single date where he didn’t mention it.” In the early days, Michelle recalls that several people warned her off her new love.

Break-up: Duncan Bannatyne has intimate Michelle snaps (Image: SWNS)

She says: “First a mutual friend said that he wasn’t right for me because he had ‘problems’ with women. But I wanted to let him prove himself to me.

“A couple of months later a very pretty girl I know posted a picture of herself with Duncan at a club. She told me said he’d asked her to go home with him.

“Looking back maybe I should have cut it off then. It certainly would have saved a lot of heartache and expense.” But expense was something she claims the rich-list tycoon had a problem with throughout their relationship.

While mum-of-one Michelle spent £1,200 in childcare so they could date, she says he hated spending money.

And despite his public condemnation of fellow Dragon James Caan for having non-domiciled tax status, she claims he told her he was thinking about becoming a tax exile to save money himself.

In 2010, Bannatyne made a dig at Caan, saying: “I am not going to invest alongside anyone on Dragon’s Den if the money is coming from an offshore company.”

Shocked: Yoga girl Michelle sent him saucy snaps (Image: Instagram)

Michelle says: “He may be a millionaire, but he was really tight. We would go for meals with his employees and he’d insist on splitting the bill exactly.

"For Christmas he gave me a travel set of spa ­treatments from his own spa. I reckon it was worth about £20, but I imagine he gets them for free. His office staff joked with me about how they had to wrap it for him. And when he gave it to me, it was in a Morrisons bag.

“He was so into saving money. He told me in May he wanted me to move with him to Portugal for the start of the next tax year because it would get him a ‘golden ticket’ for five years.

“He said if he spent so many weeks there, and so many weeks travelling around the world, the tax breaks for the first five years would be massive. I wasn’t sure – he hadn’t even met my son yet.

"But he told me it didn’t matter if I didn’t go full time because he would save enough from his scheme to have a private jet on standby.”

Michelle says she found it ­difficult to get her head around a multi-millionaire being so penny pinching, but he didn’t let her forget he had other options if she didn’t like it.

“He once threw into ­conversation he was a member of a highly ­exclusive dating service but that he got free membership,” she says. “I didn’t know how to react, but it started to become clear he was a womaniser.”

When it came to sex, she says he asked her to send him intimate pictures of herself. So she sent two in her underwear and one naked.

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But Michelle adds: “I’m not the kind of person who sleeps with just anyone. So I waited over two months, until he took me to Portugal, to let the ­relationship get physical.

“He promised me we were for real. But on the same holiday I saw a sign in his kitchen saying: ‘Find a woman good at cooking, find a woman good at cleaning, find a woman who makes you laugh, find a woman good in bed but don’t let them meet’. It made me feel uneasy.”

Michelle now feels the sign was a warning of what would happen 10 days ago when he was pictured with Nigora.

“The day before I found out was my birthday,” she says. “But he told me he couldn’t see me. I saw friends instead and woke up next morning to see pictures of him with another woman.

“My first reaction was to call him, but he wouldn’t answer so I sent him a text, saying ‘You look good in the pictures online’. He replied, just saying ‘terribly sorry’. I pushed him for an answer about what was going on and he said he was confused, because he had ­feelings for both me and her.

“The anger and humiliation was unbelievable, so I sent a message saying I thought it fair for him to reimburse me for my childcare bill. That was when he sent me the text about the pictures.”

The couple also fell out on Twitter with Michelle using Bannatyne’s Dragons’ catchphrase to dump him, saying: “I’m out.”

A friend of Bannatyne dismissed the text exchange as “a spat”, adding: “That’s just not the kind of thing he’d ever do.”

Last week, as the Dragon was tweeting about a break with his new love, Michelle was picking up the pieces.

She says: “I had a lucky escape. But other women should be careful because I think he’ll use every bit of mileage from his fame to treat women like this. I wasn’t the first and I won’t be the last.”